Patentable/Patents/US-6275190
US-6275190

Wireless communication system and method and system for detection of position of radio mobile station

PublishedAugust 14, 2001
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

A method of detecting a position of a radio mobile station in radiocommunications, which is capable of accurately and simply finding the position of the mobile station. At a measuring point the mobile station measures the reception radio strength levels from a plurality of base stations and conveys the measurement results through the base station to a control station. The control station learns, through a neural network, the correlation between the reception radio strength levels and the position of the mobile station on the basis of the measurement results at a plurality of measuring points and the positions of the measuring points. Subsequently, when the mobile station communicates to the control station the reception radio strength levels measured at an arbitrary point, the control station estimates the position of the mobile station, causing those measurement results, on the basis of the correlation obtained through the learning.

Patent Claims
1 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. A method of detecting a position of a mobile station in a wireless radiocommunication system including said mobile station, a plurality of base stations and a control station, said method comprising: a step in which said mobile station measures reception radio strength levels from said plurality of base stations at a measuring point to communicate the measurement results through one of said base stations to said control station; a step in which said control station learns, through a neural network, a correlation between said reception radio strength levels and a position of said mobile station on the basis of said measurement results at a plurality of measuring points and positional data of said measuring points and conveys parameters of said neural network, obtained through the learning, to said mobile station; and a step in which said mobile station constructs a neural network using said parameters to detect its own position on the basis of reception radio strength levels from said plurality of base stations measured at an arbitrary point through the use of the constructed neural network.

Classification Codes (CPC)

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Patent Metadata

Filing Date

August 4, 2000

Publication Date

August 14, 2001

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